private void AddOrUpdateToList(IList <PurchaseBillDetailViewModel> purchaseBillDetailViewModels, PurchaseBillDetailViewModel purchaseBillDetailViewModel, int index)
{
var item = purchaseBillDetailViewModels.SingleOrDefault(p => p.ProductId == purchaseBillDetailViewModel.ProductId);
if (item != null)
{
item.Quantity = item.Quantity + 1;
}
else
{
if (index >= purchaseBillDetailViewModels.Count)
{
purchaseBillDetailViewModels.Add(purchaseBillDetailViewModel);
}
else
{
purchaseBillDetailViewModels[index] = purchaseBillDetailViewModel;
}
}
}
private void Name_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
var row = GetParent <DataGridRow>((TextBlock)sender);
var index = DataGrid_PurchaseBillDetail.Items.IndexOf(row.Item);
SearchProductsWindow searchPurchaseDetailsWindow = new SearchProductsWindow();
searchPurchaseDetailsWindow.ShowDialog();
var product = searchPurchaseDetailsWindow.product;
if (product == null)
{
return;
}
var item = new PurchaseBillDetailViewModel(product);
if (item != null)
{
AddOrUpdateToList(purchaseBillViewModel.PurchaseBillDetailViewModels, item, index);
DataGrid_PurchaseBillDetail.ItemsSource = null;
DataGrid_PurchaseBillDetail.ItemsSource = purchaseBillViewModel.PurchaseBillDetailViewModels;
DataGrid_PurchaseBillDetail.SelectedItem = item;
}
}
